NVIDIA GeForce 9400 GT vs AMD Radeon R9 390 X2

VS

NVIDIA GeForce 9400 GT

AMD Radeon R9 390 X2

We compared two Desktop platform GPUs: 128MB VRAM GeForce 9400 GT and 8GB VRAM Radeon R9 390 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 9400 GT 's Advantages

Lower TDP (50W vs 580W)

AMD Radeon R9 390 X2 's Advantages

Released 7 years and 1 months late

More VRAM (8GB vs 128GB)

Larger VRAM bandwidth (345.6GB/s vs 9.600GB/s)

2544 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 9400 GT

0.029 TFLOPS

Radeon R9 390 X2 +17555%

5.12 TFLOPS

GeForce 9400 GT

VS

Radeon R9 390 X2

Graphics Card

Aug 2008

Release Date

Sep 2015

GeForce 9

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

600 MHz

Memory Clock

1350 MHz

Memory

128MB

Memory Size

8GB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

512bit

9.600GB/s

Bandwidth

345.6GB/s

Render Config

-

Compute Units

40

2

SM Count

-

16

Shading Units

2560

8

TMUs

160

4

ROPs

64

-

L1 Cache

16 KB (per CU)

16 KB

L2 Cache

1024 KB

-

Theoretical Performance

1.836 GPixel/s

Pixel Rate

64.00 GPixel/s

3.672 GTexel/s

Texture Rate

160.0 GTexel/s

-

29.38 GFLOPS

FP32 (float)

5.120 TFLOPS

-

FP64 (double)

640.0 GFLOPS

Board Design

50W

TDP

580W

250 W

Suggested PSU

950 W

1x DVI 1x VGA 1x S-Video

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

None

Power Connectors

4x 8-pin

Graphics Processor

G86

GPU Name

Grenada

-

GPU Variant

Grenada PRO (215-0880030)

Tesla

Architecture

GCN 2.0

TSMC

Foundry

TSMC

80 nm

Process Size

28 nm

0.21 billion

Transistors

6.2 billion

127 mm²

Die Size

438 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (12_0)

3.3

OpenGL

4.6

1.1

OpenCL

2.0

N/A

Vulkan

1.2

1.1

CUDA

-

4.0

Shader Model

6.3

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